How Close Are Quantum Computers to Useful Commercial Value?

We speak to the founder and CEO of Axon Enterprise, maker of the Taser, about the tech's future. And the future includes drones armed with Tasers.

Also in this edition of Tech Life: why an underwater glider is circumnavigating the globe, gathering data on the oceans. And find out why the quantum computing revolution could arrive sooner than expected.

Presenter: Chris Vallance Producer: Tom Quinn

(Image: A close-up photo of a Taser being aimed. Credit: Jordan Pettitt/PA Wire)